Other Definitions
wolframite (dict)

Wolframite

olspan=2 align=center|Wolframite
olspan=2 |
olspan=2|General
ategory Mineral
a href="/encyclopedia/Chemical-formula" title="Chemical formula">Chemical formula (Fe,Mn)WO4
olspan=2|Identification
Colour Black to dark grey
Crystal habit Tabular crystals, sometimse prismatic
Crystal system Monoclinic
Cleavage Good
Fracture Uneven to rough
Mohs Scale hardness 4-4.5
Luster Submetalli
Refractive index Opaque
Pleochroism None
Streak Black
Specific gravity 7
Fusibility ?
Solubility ?
olspan=2|Major varieties
olspan=2|None
---
Wolframite (Fe,Mn)WO4, is a mineral that is the intermediate between Ferberite and Huebernite. Along with Scheelite, the Wolframite series are the most important tungsten ore. China reportedly has the world's largest supply of tungsten ore.

See also

 

<< PreviousWord BrowserNext >>
left handed
stafford
oleo
conformal geometry
zero tolerance
united kingdom in the eurovision song contest 1967
list of people associated with the american civil war
carl hilty
chapter 13
noncommutative geometry
1452 in art
1519 in art
hugh of vermandois
hamad bin khalifa
1904 in art
battle of damme
1989 in art
1757 in art
1827 in art
luke pebody
simon gilbert
leathermen
battle of syllaeum
jacquetta hawkes
the buddha in your mirror
norwegian institute of technology
thirty two short films about glenn gould
stage fright
default rule
irene cara
john taverner
docsis
the shangri las
optimism
the dixie cups
indeterminacy debate in legal theory
critical legal studies
squadron supreme
danny aiello
supreme power
dsire clary
without loss of generality
justice as fairness
darrell issa